Does Masturbation Affect Testosterone?

Short answer: masturbation does not meaningfully lower testosterone in healthy men. The popular claims that abstaining for days or weeks dramatically raises testosterone are mostly not supported by clinical evidence. Here's the actual picture.

What the evidence shows

The most-cited study is from 2003 (Jiang et al.), which found a transient testosterone spike around day 7 of abstinence in some men. That study has been widely misinterpreted online. The spike was brief, modest, and is not the same thing as sustained higher testosterone.

Subsequent studies have generally found no meaningful long-term effect of normal masturbation frequency on testosterone in healthy men.

What does affect testosterone

The factors that genuinely matter: sleep, body composition, alcohol, stress, training, and underlying medical conditions. None of them are masturbation frequency.

If you're considering "NoFap" for testosterone

The evidence base for the claimed testosterone benefits is weak. There may be other psychological reasons men choose to abstain that they find valuable; the testosterone argument is not one of them.

When to see a doctor about libido changes

If your libido has dropped substantially, that's a symptom worth investigating regardless of masturbation patterns. Book a confidential consultation with a Singapore-licensed doctor on Noah.